ENG
RUS
Timus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
Problem set. Graph Theory Problems
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
ID
Title
Source
Authors
Difficulty
1004
Sightseeing Trip
Central European Olympiad in Informatics 1999
2724
579
1008
Image Encoding
USTU PhysTech Cup 2000
4312
366
1016
Cube on the Walk
USU Local Contest. 1999
1904
823
1022
Genealogical Tree
Autumn School Contest 2000
11102
142
1033
Labyrinth
Ural Championship 1999
6630
236
1035
Cross-stitch
Ural Championship 1999
1135
1368
1040
Airline Company
USU Championship 2000
1544
1001
1045
Funny Game
USU Local Contest. March 2000
2938
521
1056
Centers of the Net
NEERC 2000 Central Subregional
2774
551
1065
Frontier
NEERC 2000
1014
1417
1069
Prufer Code
USU Personal Contest 2001
2744
512
1072
Routing
USU Personal Contest 2001
2795
503
1076
Trash
1962
711
1077
Travelling Tours
1274
396
1080
Map Coloring
Winter Mathematical Festival Varna 2001
7484
186
1085
Meeting
Spring School Contest 2001
2195
627
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1847
708
1099
Work Scheduling
1030
1143
1106
Two Teams
Tetrahedron Team Online Contest May 2001
6850
74
1109
Conference
Bulgarian Online Contest September 2001
2031
249
1119
Metro
Autumn School Contest 2001
7255
70
1124
Mosaic
USU Championship 2001
1705
296
1128
Partition into Groups
USU Championship 2001
1225
411
1129
Door Painting
USU Championship 2001
1334
378
1136
Parliament
NEERC 2001 Central Subregional
5079
100
1137
Bus Routes
NEERC 2001 Central Subregional
1596
317
1145
Rope in the Labyrinth
DSAP Vietnam Online Contest November 2001
1467
344
1156
Two Rounds
Ural Championship 2001. Round 2
1583
319
1160
Network
NEERC 2001 Northern Subregional
3650
141
1162
Currency Exchange
NEERC 2001 Northern Subregional
2738
185
1176
Hyperchannels
USU Personal Contest 2002
1514
335
1182
Team Them Up!
NEERC 2001
996
507
1198
Jobbery
1075
488
1199
Mouse
119
3768
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2174
234
1208
Legendary Teams Contest
USU Local Contest. March 2002
2421
210
1210
Kind Spirits
Autumn School Contest 2002
3039
169
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1582
323
1227
Rally Championship
NEERC 2002 Central Subregional
1700
301
1237
Evacuation Plan
NEERC 2002
514
984
1242
Werewolf
USU Personal Contest 2003
2945
175
1250
Sea Burial
USU Local Contest. March 2003
704
724
1254
Die Hard
USU Local Contest. March 2003
791
645
1270
Unicube
USU Championship 2003
220
2263
1271
Sailing Directions
USU Championship 2003
107
4449
1272
Non-Yekaterinburg Subway
USU Championship 2003
3598
144
1277
Cops and Thieves
NEERC 2003 Central Subregional
594
862
1280
Topological Sorting
NEERC 2003 Central Subregional
3699
140
1281
River Basin
NEERC 2003 Central Subregional
281
1789
1291
Gear-wheels
Spring School Contest 2004
1357
382
1301
Cube in Labyrinth
Ural Championship 1998
707
729
1314
Chase in Subway
Ural Championship 2004. Round 1
921
562
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
286
1767
1320
Graph Decomposition
Ural Championship 2004. Round 2
1822
286
1323
Classmates
Ural Championship 2004. Round 2
621
829
1325
Dirt
Ural Championship 2004. Round 2
970
534
1329
Galactic History
Autumn School Contest 2004
1149
454
1337
Bureaucracy
Autumn School Contest 2004
335
1524
1338
Automobiles
USU Championship 2004
295
1729
1339
Babies
USU Championship 2004
606
856
1358
Cables
Spring School Contest 2005
968
540
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
272
1873
1367
Top Secret
Ural Championship 2005. Round 2
178
2810
1379
Cups Transportation
Ural Championship 2005. Round 1
899
582
1392
Dreaming of Stars
682
765
1399
Economical Director
42
9347
1400
Cellular Characters
Autumn School Contest 2005
954
549
1416
Confidential
USU Championship 2005
1362
385
1419
Maps of the Island Worlds
USU Championship 2005
426
1211
1421
Credit Operations
Timus Top Coders: First Challenge
944
542
1434
Buses in Vasyuki
USU Personal Contest 2006
577
879
1441
From the History of Gringotts Bank
Ural Championship 2006
441
1138
1447
Portkey Network
Ural Championship 2006
516
976
1449
Credit Operations 2
Timus Top Coders: Second Challenge
338
1467
1450
Russian Pipelines
Timus Top Coders: Second Challenge
3413
149
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
110
4129
1487
Chinese Football
USU Championship 2006
387
1245
1500
Pass Licenses
NEERC 2006 Eastern Subregional
758
641
1505
Oil Transfer
NEERC 2006 Eastern Subregional
163
2845
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
414
1136
1533
Fat Hobbits
USU Personal Contest 2007
482
977
1544
Classmates 3
Ural Championship 2007
370
1252
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
261
1705
1569
Networking the “Iset”
USU Championship 2007
504
896
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
523
863
1580
Dean's Debts
Autumn School Contest 2007
512
881
1610
Cactuses
Ural Championship 2008
212
2005
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
130
3094
1630
Talisman
USU Championship 2008
417
1004
1641
Duties
Autumn School Contest 2008
832
508
1643
Attack of the Dark Fortress
Autumn School Contest 2008
995
425
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1226
345
1652
Banking Crisis
NEERC 2008 Eastern Subregional
150
2667
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
211
1912
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
236
1711
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
135
2867
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
377
1074
1709
Penguin-Avia
Ural Championship 2009
2691
153
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
680
578
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1248
310
1770
The Party of Ural Champions
Ural Championship 2010
212
1730
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
2059
178
1833
Hopes of Rowing
Ural Championship 2011
165
2027
1837
Isenbaev's Number
Ural Championship 2011
5933
60
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
76
4004
1882
Old Nokia
Ural Regional School Programming Contest 2011
117
2692
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
730
461
1905
Travel in Time
Ural Championship 2012
269
1133
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
237
1278
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1926
163
1934
Black Spot
Ural FU Championship 2012
869
357
1966
Cycling Roads
Ural FU Personal Contest 2013
430
679
1980
Road to Investor
Ural Championship 2013
456
635
1982
Electrification Plan
Ural FU Championship 2013
2277
127
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
271
949
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
187
1354
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
515
2034
Caravans
Ural Regional School Programming Contest 2014
921
285
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Contest
101
2382
2055
Urban Geography
Ural Championship 2015
162
1473
2093
All Roads Lead to Snowdrift
Ural FU Personal Contest 2014
154
1378
2113
Survive the flood
University-Academy Olympiad 2019
377
428
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team contest
38
3406
2128
Rubina's Solitaire
Later is better than never
149
1001
2132
Graph Decomposition. Version 2
Later is better than never
97
1487
2140
BitMazeCraft
Ural School Programming Contest 2019
125
1143
2147
City Building
Ural School Programming Contest 2019
75
1815
2155
Quadrocopter
Ural School Programming Contest 2020
121
980
2159
Essay
Ural School Programming Contest 2021
50
1326
2169
City Building 2
Ural School Programming Contest 2022
33
1848
2174
Dualism of Numbers
Ural School Programming Contest 2023
48
892
2180
Need More Tasks
Ural School Programming Contest 2023
27
1398
2187
Need More Gold
Ural School Programming Contest 2024
25
1477
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
44
959
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
18
1849
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
29
1325
2200
He is not a knight for you 2
University-Academy Olympiad 2020
15
1264
2219
Philosophical Question
ICPC Ural Regional Contest Qualifier 2025
17
1169
2226
County of Squirrels
Ural Championship 2025
24
929
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
© 2000–2026
Timus Online Judge Team
. All rights reserved.